that would help the government save almost $6 billion a year, according to one study, though it would also come at a cost. an average of $700 more in out-of-pocket costs for those seniors no longer eligible for medicare, not to mention additional health care costs for employers. and, diane, you talked about the political cold front here in washington, d.c. how frosty are things? well, house speaker john boehner did come to the white house last night for president obama's annual holiday party for members of congress, but he did not get in the receiving line to say hello to the president and get a picture taken with him as he has done in previous years and as dozens, if not hundreds, of members of congress did last night. diane? >> okay, jake tapper reporting from the white house tonight. >>> and now we head overseas. take a look at the size of this protest today in cairo, egypt, tahrir square, tens of thousands of protesters reeling from tear gas but determined to send a message to the world about their new duel over democracy, and here's abc's alex marquardt. >> reporter: they came by